This liniment is good for general bruises, sore muscles, caused be training. This secret formula is the one of the original recipes in the Hung Gar system. And this is a good intermediate liniment which maintains proper blood and chi circulation. It will aid the healing of injury to the warrior's flesh, bone, and nerve cells while also preventing infections. No one training the iron body should be without the Warrior's Vest liniment. This is provided in a 4oz bottle.